Notch Filter Ham Radio

Hallicrafters SX-117 - Wikipedia, The Free Encyclopedia
The Hallicrafters SX-117 was a radio communications receiver manufactured by the Hallicrafters company in the 1960s. it had a product detector for SSB, a notch filter, and selectable bandwidth of 0.5, 2.5, and 5 KHz. In addition to the ham bands, ... Read Article

Autek QF-1A User Manual - Amateur Radio VE9GC VE9GEC
Strong Signal A ³flat´ response is approximated with the Aux Notch at 11,000 and main filter as follows: PEAK: Freq. = 12 o¶clock; Sel.= Min. NOTCH: Freq. = 2500; (see Radio Amateur¶s Handbook), but we found them to cause distortion and be virtually worthless for Autek QF-1A User Manual ... Return Document

New VK5REX Duplexer Arrangement - YouTube
The addition of a "mobile" notch duplexer to the existing cavi Skip navigation Upload. Sign in. Search. Mobile Radio Duplexer Tuning - Duration: 17:22. jcook007fix 17,221 Checking desense on the W7ZA repeater cavity filters Ham Radio - Duration: 5:24. K7PP Page 4,377 ... View Video

Ts2000 K - HRO-SA HOME PAGE
Notch filter slope Target signal. AF Digital Signal Processing radio is in receive mode — covers amateur bands from 1.9 to 50MHz, with rapid tuning lock when using presets. 300 Memory Channels ts2000_k Created Date: ... Get Doc

Audio Noise Reduction Filter - Rensselaer
Timewave DSP-599zx Audio Noise Reduction Filter Features Version 1.1 4 Connectors Power 12-16 Vdc RS-232 Radio A Radio B PTT Input A B Audio Input Line Ouput ... Retrieve Full Source

SDR-1000 OPERATING MANUAL - Nitehawk
SDR-1000 OPERATING MANUAL Version 1.8.0. SDR-1000 SOFTWARE DEFINED RADIO Operating Manual Automatic Notch Filter controls, and settings can seem mind boggling even to the most seasoned Ham radio operator. ... Return Doc

IC-7410 User Evaluation & Test Report - AB4OJ
IC-7410 User Evaluation & Test Report By Adam Farson VA7OJ/AB4OJ Iss. 4, Interfacing with Ham Radio Deluxe (HRD): I installed the Ver. 1.1 Icom USB Manual Notch Filter (MNF) stopband attenuation and bandwidth. In this test, ... Doc Viewer

Www.hamradio.co.uk
Notch Filter! To eliminate one or more interfering beat tones from the receiver audio passband, the DSP Auto-Notch radio industry. For 1.8 - 54 MHz, the FT-847 uses a pair of rugged 2SC5125 bipolar power transistors in a push-pull configuration. ... Fetch This Document

Kenwood TS-2000 - Wikipedia, The Free Encyclopedia
The Kenwood TS-2000 is an amateur radio transceiver manufactured by the Kenwood Corporation. Ham Radio Deluxe. Ham Radio Deluxe (HRD) is a suite of Windows programs providing computer control for commonly used transceivers and receivers. ... Read Article

Building The W3NQN Passive Audio Filter - WB2ART
The passive audio filter ‘reduces wide-band noise and restricts the audio bandwidth of the receiver’ Note 2: Bill Orr’s Radio Handbook, 23rd edition, p. 13-5, published by Howard W. Sams & Co., First Printing – 1986. Sheet3. Sheet2. Sheet1. ... Fetch Doc

HF Receiver Testing - North Shore Amateur Radio Club
Using notch filter to improve accuracy A “100 dB” radio with 85 dB RMDR is not a 100 dB radio; it is an 85 dB radio! To claim otherwise is deceptive advertising. If RMDR < DR3, Other considerations for HF receiver testing ... Doc Retrieval

Competitive Analysis: IC-7410, TS-590 And FT-950
Competitive Analysis: IC-7410, TS-590 and FT-950 by Adam Farson, VA7OJ/AB4OJ. August/September, AGC/noise-blanker impulse-response test and a test for IF notch filter anomalies were performed. respective radio. Explanations are given as needed in the Notes at the foot of Table 1a. ... Get Content Here

HAM RADIO PRODUCTS - ICOM France
HAM RADIO PRODUCTS 2012 Europe Edition All Band Transceivers Mobile Transceivers • 3-step manual notch filter • Digital twin Technology for Amateur Radio) • Independent dual ... Retrieve Doc

HAM RADIO PRODUCTS - VE6AO
HAM RADIO PRODUCTS All Band Transceivers Mobile Transceivers Handheld Transceivers • 3-step manual notch filter • Digital twin PBT work on all ham bands — HF, 50, 144MHz to the 430/440MHz band. 2-point MNF ... Read Content

Characteristics Of Various filters And Ferrites For Amateur ...
Ferrites for amateur radio EMC use This appendix is a report on work carried out by Dave Lauder, G0SNO, at the request of the RSGB's EMC Committee. In particular, the TNF2 type of tuned notch filter is not ... Retrieve Doc

TS-530 User Manual
Notch-filter Attenuation Audio Output lmpedance Audio Output NOTE: The circuit and ratings any modification to the radio, requiring only an external speaker connection, TS-530 User Manual Subject: TS-530 User Manual HF RTX ... Doc Viewer

Designideasand Fran GranvillE - EE Times
And Fran GranvillE DIs Inside XX toc_body toc_body ers; they also can remove heterodyne noise from ham-radio systems. A con-ventional tracking switched-capacitor notch filter relies on a bandpass filter, a voltage-to Figure 1 This audio notch-filter circuit uses a PLL to improve noise ... Read Document

Band Pass Filter With Low Insertion Loss For 2m - QRPRADIO
Band Pass Filter with Low Insertion Loss for 2m Dipl ing Tasić Siniša –Tasa YU1LM/QRP This design is part of my VHF/UHF SDR receivers. The VHF /UHF receivers are ... Get Content Here

DSP In HF Radios - North Shore Amateur Radio Club
19 January 2006 NSARC HF Operators – DSP in HF Radios 4 DSP Functions in Receiver! RX selectivity filtering & manual notch filter (pre-AGC).! Noise Blanker (NB) in some designs. ... Get Content Here

AF1 Active Audio Filter - Elecraft® Hands-On Ham Radio™
Elecraft • www.elecraft.com • 831-662-8345 ELECRAFT AF1 Active Audio Filter Assembly and Operating Manual E740102: Revision A, September 7, 2006 ... Retrieve Content